Note 7 - Leases (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Lease, Cost [Table Text Block]

		Three months ended June 30 , 201 9				Six months ended June 30 , 201 9
Operating lease costs		$	340			$	680
Sublease income			(150	)			(296	)
Net lease costs		$	190			$	384

		Three months ended June 30 , 201 9				Six months ended June 30 , 201 9
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows used for operating leases		$	308			$	613
Supplemental non-cash disclosures of lease activities
Transfer of tenant improvement allowance to sublease		$	—			$	242
Right-of-use assets obtained in exchange for new operating lease liabilities		$	—			$	4,730

		June 30, 2019
Weighted-average remaining term – operating lease (in years)			4.39
Weighted-average discount rate – operating lease			11.72	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year:
2019 (remaining six months)		$	670
2020			1,468
2021			1,505
2022			1,345
2023			1,386
Thereafter			116
Total future minimum lease payments			6,490
Less imputed interest			(1,492	)
Total		$	4,998

Operating lease liabilities		$	759
Operating lease liabilities, net of current portion			4,239
Total lease liability		$	4,998

Lessee, Operating Sublease, to Be Received, Maturity [Table Text Block]

Year:
2019 (remaining six months)		$	288
2020			593
2021			610
2022			629
2023			648
Thereafter			54
Total future minimum sublease payments		$	2,822

Prepaid expenses and other current assets		$	69
Other assets			394
Total rent receivable		$	463